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Incredible pictures from the Hubble telescope

A cartoon done in log scale moving from the surface of the Earth out to the furthest reaches of the cosmos. Includes several chuckles along the way.

Free HD science videos available for download, remixing, or reuse. Looks like good stuff. Will have to spend some time going through these.

Article discussing how cooled white dwarf stars (i.e. black dwarf stars) are most likely primarily made of diamond.

A flash-based timeline going from the big bang up to the present day. Details life on Earth and more recent eras. Very visual and informative

Celestia is a free and open source space simulator that allows you to explore space right from your computer. Celestia is available for download on Windows, Mac OS X, and even Linux. Celestia has many very cool features, including an eclipse finder. Not only does the eclipse finder allow you to find solar and lunar eclipses on Earth, but you can seek eclipses on other planets as well. I found out something really cool when checking out eclipses on Jupiter - because Jupiter is very large and has many moons, solar eclipses are very common.

Great space resources, including including a section on tonight's sky.

AWESOME! Nasa pics of earth taken by astronauts. Explicit instructions for use (free as long as you give credit). Download low res or request hi-res versions.

The Known Universe by AMNH

Online space camera and observatory

Sumanas develops animated tutorials in a variety of formats for many scientific disciplines.

For many people, knowing the correct time is vital to everyday life. If you're in an unfamiliar environment without any kind of clock, however, figuring out the time could be a matter of safety and survival. Without a clock or watch, finding the exact time may not be possible, but you can figure the approximate time using the sun, moon or stars.

visual solar system simulatioin

A great NASA site where you can find over 100 resources to bring outer space into your classroom. Some of the resources are for your whiteboard, others can be downloaded and printed. http://ictmagic.wikispaces.com/Science